enabled bar style in legend

lib/timeline/component/GraphGroup.js

@@ -168,8 +168,8 @@ GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, icon
 
     var offset = Math.round((iconWidth - (2 * barWidth))/3);
 
-    DOMutil.drawBar(x + 0.5*barWidth + offset    , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' vis-bar', JSONcontainer, SVGcontainer);
-    DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' vis-bar', JSONcontainer, SVGcontainer);
+    DOMutil.drawBar(x + 0.5*barWidth + offset    , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' vis-bar', JSONcontainer, SVGcontainer, this.style);
+    DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' vis-bar', JSONcontainer, SVGcontainer, this.style);
   }
 };